{"id":"CVE-2026-62204","revision":"dd7ce33c8a774d9b9f693f17efbf7aee","records":[{"revision":"dd7ce33c8a774d9b9f693f17efbf7aee","observedAt":"2026-10-25T14:19:28.838+00:00","statement":{"source":"nvd","id":"CVE-2026-62204","aliases":[],"title":"SiYuan versions before v3.7.4 fail to validate that packageName matches the downloaded package content in bazaar install endpoints. Attackers with same-origin access can overwrite existing trusted plugins by supplying mismatched packageName…","description":"SiYuan versions before v3.7.4 fail to validate that packageName matches the downloaded package content in bazaar install endpoints. Attackers with same-origin access can overwrite existing trusted plugins by supplying mismatched packageName and repoURL parameters, achieving persistence across application restarts.","state":0,"publishedAt":"2026-08-22T13:16:39.547+00:00","modifiedAt":"2026-10-12T16:10:00.22+00:00","affected":[],"metrics":[{"system":"CVSS 4.0 · disclosure@vulncheck.com · Secondary","vector":"CVSS:4.0/AV:L/AC:H/AT:P/PR:L/UI:P/VC:L/VI:H/VA:L/SC:L/SI:H/SA:L/E:X/CR:X/IR:X/AR:X/MAV:X/MAC:X/MAT:X/MPR:X/MUI:X/MVC:X/MVI:X/MVA:X/MSC:X/MSI:X/MSA:X/S:X/AU:X/R:X/V:X/RE:X/U:X","score":5.9,"severity":"MEDIUM"},{"system":"CVSS 3.1 · disclosure@vulncheck.com · Secondary","vector":"CVSS:3.1/AV:L/AC:H/PR:L/UI:R/S:C/C:L/I:H/A:L","score":6.6,"severity":"MEDIUM"}],"references":["https://github.com/siyuan-note/siyuan/security/advisories/GHSA-rpx2-p6hp-x5gj","https://www.vulncheck.com/advisories/siyuan-before-plugin-overwrite-via-bazaar-install"],"sourceUrl":"https://nvd.nist.gov/vuln/detail/CVE-2026-62204","license":"NIST NVD usage terms; underlying source attribution retained","enrichment":{"sourceStatus":"Deferred","weaknesses":["CWE-345"],"productCriteria":[],"sourceDates":{"published":"2026-08-22T13:16:39.547","lastModified":"2026-10-12T16:10:00.220"},"relatedAdvisories":[],"note":"NVD analysis and CPE criteria are source context, not proof that a package or your environment is affected. Complete affected data, logical configurations and SSVC are retained in the original JSON."},"key":"nvd:CVE-2026-62204","identifiers":["CVE-2026-62204"]},"retained":false,"historicalAffected":[]}],"coverage":[]}